Stainless Steel Screw on Threaded Stud Rubber Bumpers ISO Certificate Rubber Bumpers with Threaded Stud

• Material: Silicone Rubber
• Application: Machinery, Industrial Component, Electronic Product, Vehicle, Household Appliance
• Effect: Wiper Seal
• Cross-Section Shape: O-Rings
• Density: 1.0-2.0g/cm3
• Tolerance: DIN ISO 3302-1, Rma, GB/T3672
• Working Temperature: -40~+350 Degree
• Hardness: 20 ~90 Shore a
• Transport Package: Plastic Bag & Carton Box
• Specification: 400x300x300mm
• Trademark: Customization
• Origin: Shenzhen China
• HS Code: 4016999090
• Production Capacity: 1000000PCS/Year

Product Description

Doughnut Top		SBR Bumpers
Rounded Top		NR Bumpers
Flat Top		EPDM Bumpers
Red Color		Neoprene Bumpers
Gray Color		NBR Bumpers
Tan Color		Silicone Bumpers
With or Without Washers
Rounded Head		SBR Bumpers
Flat Head		NR Bumpers
Sharp Head		EPDM Bumpers
Red Color		Neoprene Bumpers
Gray Color		NBR Bumpers
Tan Color		Silicone Bumpers

   
Car Industry

LTR is an expert in manufacturing all kinds of components for the automotive and motorcycle industry. We are IATF16949:2016 certified in order to fully satisfy the requirements of this industry.
Our production includes O rings, gaskets, seals, grommets, bellows, shock absorbers, dampers, cushions, sleeves, isolators, couplings, bushings, boots, covers, bumpers, pipes, hoses, tubes and many other pieces which are mainly manufactured in ACM, AEM, BR, CR, ECO, EPDM, FKM, FVMQ, HNBR, NBR, NR, SBR, SIR to meet the physical properties specified by ASTM D2000 and SAE J200 documents.
Products above are only examples to show Shun Tai Rubber's core competences. All our rubber components are customised and made to order only. No standard product or catalogue is available.

Electronics

LTR develops rubber components for electronics appliances with high mechanical, chemical, humidity and electrical resistance.
Seals, o-rings, gaskets, keypads, cable connector covers, PDA covers, electrical insulators and connector inserts, engine mounts and other specialty designed articles are mainly produced in silicone rubber, NBR, CR, NR, SBR, EPDM, FKM, IIR, BR. 

Medical Devices

LTR can assist in designing and developing non-implantable rubber medical parts.
Specialty gaskets, seals, caps, pushbuttons, filter covers, handles and other special design components are produced mainly in silicone rubber, SBR, NBR, EPDM, NR, FKM.
The medical industry requires very accurate lot traceability and quality standards at the highest level.
LTR is able to deliver consistent quality on time in this demanding market.

Consumer goods

LTR produces high quality components which we supply to famous brand name companies serving the retail end-user market all over the world.
Coasters, rubber bands, stoppers, mug/tumbler sleeves, seals and bands for swimming goggles, pet brushes, wristbands, pipe fittings and many other articles are mainly manufactured in silicone rubber, NBR, SBR, EPDM, NR, IIR, BR.

Household Appliances

LTR manufactures components for small appliances, and large appliances.
Shock absorbers, electrical connector inserts and insulators, gaskets, seals, wire leads, pipe fittings, grommets are only a few examples of our capabilities.
The main rubbers we use for this industry are silicone, NBR, CR, NR, SBR, EPDM, FKM, IIR, BR.

Technical data

Compound: VMQ                                                                                 Colour: custom

Base Polymer: VMQ                                                                            Specification:

MAIN SPECIFICATION

MEASURE UNITS

REQUIRED VALUE

TESTED VALUE

TEST METHOD

HARDNESS

Sh-A

70+/-5

69

ASTM D2240

SPECIFIC GRAVITY

g/mm^3

\

1.176

TENSILE STRENGTH

Mpa

\

8.62

ASTM D412

ELONGATION

%

\

628.11

ASTM D412

Tear Strength

kg/cm

\

27.38

ASTM  D624

SPECIFICATION CHANGE

TEST MEANS

TIME h

TEMP ºC

HARDNESS

TENSILE STRENGTH

ELONG.AT BREAK

VOLUME

WEIGHT

required   test

required test

△ SHORE A

%

%

△%

△%

Products above are only examples to show Shui Tai Rubber's core competences. All our rubber components are customized and made to order only.No standard product or catalogue is available.

Material	EPDM, NBR, SBR, NR, Silicone(VMQ), Neoprene(CR), HNBR, XNBR, FKM, FFKM, FVMQ, FLAS, PTFE, PU, ECO, IIR, ACR, etc...
Certificate	IATF 16949:2016 / ISO 9001:2015 / ISO 45001:2018 / ISO 14001:2015 /REACH/ROHS/MSDS/LFGB/F D A
Drawing Format	.stp / .step / .igs /.stl /.dwg / .pdf
Color	Almost all PMS colors available for Silicone (VMQ); Mostly black for other rubber materials, if other colors are required, please
	indicate it on inquiry.
Parameters	Inch, centimeter, millimeter, etc.
Function	Industrial parts /daily supply / Automotive/ Medical device, etc...
Surface Treatment	Matte, Common polishing, Mirror polishing, Texture, Laser Engraving, Power Coating (Painting), Printing, Segmented colors, Mixed
	colors, etc.
Mold Material	No. 50 steel, No. 45 steel, P20, 8407, H13, 718H, etc.
Mold Precision	If no special request, apply to ISO3302:2014 standards, class 2.
Mold Life-cycle	100,000-500,000 shots.
Packing	Pack in bulk / poly bag / bubble bag / color box.
Sample	Available. One cavity sample mold or 3D printing.
Price Tip	The price shown above is just for reference, final actual price depends on your design, material request, surface treatment, order
	qty, package request, etc.

Company Profile
We are a specialized rubber parts manufacturer with over 30 years of manufacturing experience. Our company mainly produces rubber parts for medical appliances, household appliances, electronic products, automobiles and toys.

Covering an area of 3500 square meters, we own over 200 staff and workers and our monthly production output reaches 30 tons.We have always stuck to the quality policy that customer is No.1 and quality comes first with scientific management, continuous improvement and sustained operation.

We insist in providing our clients with perfect products and best services. The products we produced can work in different areas and climates according to your specific requirements. We believe with stable and sincere cooperation and continuous improvement, our customers will enjoy the best service as stable supply, quality assurance and on-time delivery.

Global Sourcing
LTR has an extensive network to procure raw materials from the best global suppliers.

Raw Materials and Custom Mixing

All the raw materials listed in the table below are available in our warehouse for prototyping and production and for customized blending according to the application, the cost and the colour required.
 

Polymer Symbol	Common Name (Chemical Name)	SAE J200 Material Designation
ACM	Polyacrylate Rubber (Acrylic Esters Copolymer)	DF.DH.EH
BR	Butadiene Rubber	AA
CR	Polychloroprene	BC.BE
ECO	Epichlorohydri/Ethylene Oxid(Oxirane) Copolymer	CH
EPDM	Ethylene Propylen  Diene Terpolymer	AA.BA.CA.DA
FKM	Fluorocarbon Rubber	HK
HNBR	Hydrogenated Nitrile Rubber	DH
	(Hydrogenated Acrylonitril Butadiene Copolymer)
IIR	Butyl Rubber (Isobutene-Isoprene)	AA.BA
NBR	Nitrile Rubber (Acrylonitril Butadiene Copolymer)	BF.BG.BK.CH
NR	Natural Rubber	AA
SBR	Styrene Butadiene Rubber	AA.BA
MQ(VMQ,PVMQ,SIR)	Silicone Rubbers	FC.FE.GE

Production Flow Chart


Products & ApplicationDesign Consulting and Prototyping

Working closely with our customers is key to our success. Our expertise in co-designing products can help with maximising performance and minimising costs.

Our skilled engineering team works with advanced facilities and computerised testing equipment with Cad-Cam software such as Pro-E and Autocad.
With our experience we can support as well with identifying the best rubber for your application and working environment.

Tool Dapartment

Our FANUC Brand Robodrill High Speed Small Machining Center enables us to produce high precision rubber parts for fulfilling demands of different industries.

Quality

Products & Application

Production Flow Chart
Manufacturing Capabilities&Quality Control

FAQ

Q: Are you trading company or manufacturer ?
A: We are manufacturer.
Q: How long is your delivery time?
A: Generally 3-7 days for standard sealing products; and 15-30 days for big order and custom non-standard products.
Q: Do you provide free samples? 
A: Yes, we offer free sample while customer need pay for the freight charge.
Q: Which Payment way is workable?
A: Irrevocable L/C, Cash, PayPal, Credit card and T/T money transfers.
B: 30% T/T deposit in advance, 70% balance before shipment after presentation of ready cargo.
C: L/C ( Irrevocable LC at sight: Order amount over USD100,000)
Q: What is your standard packing?
A: All the goods will be packed by carton box and loaded with pallets. Special packing method can be accepted when needed.
Q: How to select the raw compound for my application?
A: With years of experience working with a variety of material, we can help select the material that will best suit your needs while keeping material costs in mind.
Q: Do you use any international standards for the rubber products?
A: Yes, we mainly use ASTM D2000 standard to define the quality of the rubber materials, tolerances as per ISO3302, ISO2768, etc.
Q: Can you supply different color materials?
A: Yes, we can produce custom molded rubber and silicone rubber products in different colors, the color code will be required in case of an order.
Q: What materials are available to produce from your side?
A: NBR, EPDM, SILICONE, FKM, NEOPRENE(CR), NR, IIR, SBR, ACM, AEM, Fluorosilicone(FVMQ), FFKM, Liquid Silicone, Sponge, etc.